Raipur: The death toll from a boiler blast at a power plant in central India has risen to 19, a police officer said on Wednesday, noting 17 others were injured.The explosion occurred Tuesday at a facility operated by Vedanta Limited, a subsidiary of London-listed Vedanta Resources, in Chhattisgarh state's Sakti district.Get updated faster and for FREE: Download the Gulf News app now - simply click here. "The death toll in the power plant blast has reached 19 whereas 17 are undergoing treatment in various hospitals," district police chief Praful Thakur told AFP.The explosion likely happened after a pipeline burst, spewing "superheated steam" on people who were having their lunch at the time, the Indian Express newspaper said.Indian-born billionaire Anil Agarwal, chairman of Vedanta Resources, said he was "distressed by the extremely tragic accident".Death toll in fire at Kolkata warehouses reaches 21, several still missing "A high-level investigation into this incident has been initiated... We will leave no stone unturned in getting to the bottom of this matter," he said in a statement.Chhattisgarh state authorities have also launched a probe, with chief minister Vishnu Deo Sai vowing the "strictest possible action" against those found guilty.Death toll in fire at Kolkata warehouses reaches 21, several still missingIndia: Two trains collide in Chhattisgarh; at least 5 dead, many injuredIndia: Telangana chemical factory blast toll rises to 35India: 13 dead, 4 injured after fire breaks out at firecracker godown in Gujarat